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[23.128.96.37]) by mx.google.com with ESMTPS id u13-20020a17090341cd00b001cf6a75337dsi3307008ple.378.2023.11.24.02.45.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Nov 2023 02:45:12 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) client-ip=23.128.96.37; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=qqxW+0tA; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 1CE2E804C6EC; Fri, 24 Nov 2023 02:41:36 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345372AbjKXKlX (ORCPT + 99 others); Fri, 24 Nov 2023 05:41:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345395AbjKXKlU (ORCPT ); Fri, 24 Nov 2023 05:41:20 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3AB771A8 for ; Fri, 24 Nov 2023 02:41:27 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80675C433C8; Fri, 24 Nov 2023 10:41:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700822486; bh=mx8zbhH9XuRFKow8SMM4vIllq541PDHZLX4FbTHewh0=; h=Date:From:To:Subject:In-Reply-To:References:Cc:From; b=qqxW+0tALhs6DPa50m/V0TDQBDRvKe6AVAWJNKYhn3V8Pyho0tFULZ7QAjdBeRiZs z4IodWvCbcDaqeIplw2I2Xc2q8vxPJthU8sMsFBRxH84qNOAAcVKkvX+7I+Jf8Ayhk xQgh62ZjZ6Pu++q35Yb86wsxRDAHjNS/zPkcvoe64CKbbrntFpNE8JAD2Dyi5zt8zc 7p6INUCsxodERYJmS0t19p1m4z+XuNfeLutyVZAdO6sd+LhZ149p0PauBQOORB2tNT B+99y/nbY4HyeN/CCRge+Hye2knoWDH8DTYY/DzC9J6G3gMVGVWo54JR8EPhmC80tf YnE554xIeHfCA== Message-ID: <5ebb290e629a83f12525c2ddf0ca2082.mripard@kernel.org> Date: Fri, 24 Nov 2023 10:41:24 +0000 From: "Maxime Ripard" To: "Dmitry Osipenko" Subject: Re: [PATCH v18 07/26] drm/shmem-helper: Use refcount_t for pages_use_count In-Reply-To: <20231029230205.93277-8-dmitry.osipenko@collabora.com> References: <20231029230205.93277-8-dmitry.osipenko@collabora.com> Cc: dri-devel@lists.freedesktop.org, kernel@collabora.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, "Boris Brezillon" , "Chia-I Wu" , =?utf-8?b?Q2hyaXN0aWFuIEvDtm5pZw==?= , "Daniel Vetter" , "David Airlie" , "Emma Anholt" , "Gerd Hoffmann" , "Gurchetan Singh" , "Maarten Lankhorst" , "Maxime Ripard" , "Melissa Wen" , "Qiang Yu" , "Steven Price" , "Thomas Zimmermann" Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Fri, 24 Nov 2023 02:41:36 -0800 (PST) On Mon, 30 Oct 2023 02:01:46 +0300, Dmitry Osipenko wrote: > Use atomic refcount_t helper for pages_use_count to optimize pin/unpin > functions by skipping reservation locking while GEM's pin refcount > 1. > > Reviewed-by: Boris Brezillon > Suggested-by: Boris Brezillon > > [ ... ] Acked-by: Maxime Ripard Thanks! Maxime